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DOI: 10.3791/58114-v
Laura Aronoff1,2, Slava Epelman1,2,3,4,5, Xavier Clemente-Casares1,2
1Toronto General Hospital Research Institute,University Health Network (UHN), 2Dept of Laboratory Medicine and Pathobiology,University of Toronto, 3Dept of Immunology,University of Toronto, 4Peter Munk Cardiac Centre, 5Ted Rogers Centre for Heart Research
Please note that some of the translations on this page are AI generated. Click here for the English version.
该协议提出了一种简便、有效的方法, 用于分离、鉴定和量化在小鼠心肌中的免疫细胞在稳态或炎症状态下的存在。该协议结合酶和机械消化的生成单细胞悬浮, 可以进一步分析的流式细胞术。
这种方法可以帮助回答有关稳定和疾病状态下心脏内免疫细胞亚群组成的关键问题。该技术的主要优点是可用于心脏免疫细胞群的准确免疫表型分析,包括非常罕见的亚群。这个协议相对简单。
然而,尾静脉注射可能很困难,因此在使用实验动物之前练习这种技术直到您感到舒适是很重要的。为了标记循环中的白细胞,将 200 微升新鲜制备的小鼠荧光团偶联的抗 CD45 抗体(溶于 PBS)中放入 28.5 号胰岛素注射器中,并在设置为 35 至 41 摄氏度的循环水毯上预热 8 只 12 周龄的小鼠 5 至 10 分钟。当尾静脉扩张时,用适当的约束装置将第一只动物约束在胸骨位置。
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